Document Detail


Plantar and dorsal foot loading measurements in patients after rotationplasty.
MedLine Citation:
PMID:  10758297     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: The present study investigated the plantar and dorsal foot loading patterns inside the prosthesis of patients after rotationplasty. DESIGN: In vivo foot pressure distribution measurements during free walking in rotationplasty patients at an average follow-up of 10.4 years after surgery. METHODS: Fourteen subjects participated in the study and were measured during free walking. Capacitive pressure sensitive insoles were worn inside the shaft of the prosthesis either on the plantar or the dorsal aspect of the foot. Between 5 and 15 steps (mean 10.5) during full gait were selected and averaged to present a typical loading pattern for the individual patient. RESULTS: The measurements were reproducible and indicated that the main loading areas of the rotated foot inside the prosthesis are medially on the dorsal aspect and in the heel and toe region or the heel and midfoot region on the plantar aspect. The dorsal loading area was smaller than the plantar area (P=0.003). The force was higher on the plantar than on the dorsal aspect (P=0.005) but the loading time was shorter (P=0.008). In patients with callosities the high pressure areas coincided with the affected regions. CONCLUSIONS: The information gained from the pressure measurements support the understanding of foot loading characteristics in this anatomically and biomechanically unusual situation. This knowledge may be used to support the fitting process of new prosthetic designs for patients after rotationplasty. RELEVANCE: Foot loading capacity is one of the main factors limiting the activity level of rotationplasty patients. Therefore, a better understanding of foot loading characteristics might help to prevent overloading of certain foot structures and eventually improve the prosthetic fit with a direct benefit to the individual patient.
Authors:
A Hillmann; D Rosenbaum; W Winkelmann
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Clinical biomechanics (Bristol, Avon)     Volume:  15     ISSN:  0268-0033     ISO Abbreviation:  Clin Biomech (Bristol, Avon)     Publication Date:  2000 Jun 
Date Detail:
Created Date:  2000-07-27     Completed Date:  2000-07-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8611877     Medline TA:  Clin Biomech (Bristol, Avon)     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  359-64     Citation Subset:  IM    
Affiliation:
Orthopaedic Department, Funktionsbereich Bewegungsanalytik, Klinik und Poliklinik für Allgemeine Orthopädie, Westfälische Wilhelms-Universität Münster, Albert-Schweitzer-Strasse 33, University of Münster, D-48129, Münster, Germany.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Amputees*
Artificial Limbs*
Biomechanics
Female
Foot*
Humans
Male
Middle Aged
Pressure
Prosthesis Design
Rotation
Statistics, Nonparametric
Walking / physiology*
Weight-Bearing

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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